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Finding the Fourth Proportional to 601,442.01, 830,024.82 and 329,510.43

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Solution

The fourth proportional to 601,442.01, 830,024.82 and 329,510.43 is: 454,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,442.01 : 830,024.82 = 329,510.43 : x
  2. Step 2: Convert to fraction form
    601,442.01/830,024.82 = 329,510.43/x
  3. Step 3: Cross multiply
    601,442.01x = 830,024.82 × 329,510.43
  4. Step 4: Simplify right side
    601,442.01x = 273,501,835,348.87
  5. Step 5: Solve for x
    x = 273,501,835,348.87/601,442.01
  6. Step 6: Final answer
    x = 454,743.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.